π #Nagarro Recent Interview Questions π
π Round 1 : ( Aptitude and Technical Round Online Test)
π Online aptitude round consists of verbal ability questions , and there was time limit ,
β±οΈmake sure to pick other question if you don't know answer ,
π Topics Covered:
RestAssured API π₯
Good Level Java Programs π»
---------------------------------------------------------------------------------
π Round 2 : ( Technical )
π Write Java Program to find the maximum sum subarray.
π How System.out.println( ) works ?
π Write code to achieve multiple Inheritance using Interface ?
π Why String is immutable in Java ? StringBuffer use.
πHow would you design test cases for an application where the requirements are not clear?
π Suppose you have 10 test cases and they are failing randomly what will be your approach on fixing those scripts.
π What is Bug Life cycle , explain in detail.
π Suppose you are working with multiple tabs in selenium, how would you wait in selenium ,until the number of opened tabs should be equal to 4
π How to wait for the file download to finish in selenium ?
π What are dataProviders in testNg. ?
π What are challenges you faced while working with framework ?
π What are listeners in testNg ?
π Share screen and asked to write xpath using sibling concept.
π Is there any situation where you didn't agreed with developer and how did you handled them.
π Do you know factory design pattern ?
----------------------------------------------------------------------------------
π Round 3 : ( Technical round )
π How would you decide that I need to stop testing for a particular feature
π Suppose requirements are not clear to you what is your approach ?
π How would you handle calendars in Selenium ?
π Actions class vs Select class ?
π What would you do if requirements missing during testing ?
π How would you fetch the attribute value of an element in selenium.
π What is Multi Threading in Java
π What are global variables and environment variables in postman.
π I want to check API response is correct or not but when hitting API using GET ,it takes 1 minute for response to come , is there other HTTP Method ?
π Do you know use of TRACE API Method ? (write ans in comment )
π How would you ensure test cases you written are complete ?
π How you will test for security vulnerability in your application ?
π One question from Java stream related to finding duplicate element.
----------------------------------------------------------------------------------
π Round 4 : ( HR )
π How soon you can join ?
π Why did you leave your last job?
πAre you willing to relocate or travel for the job?
π Salary discussion etc.
π‘ Pro Tip: Be prepared, stay calm, and best of luck for your interview! πͺ #InterviewPreparation #TechJobs #CareerGrowth #Wipro #Nagarro #JobInterview #coderbaba
follow @coder_baba
π Round 1 : ( Aptitude and Technical Round Online Test)
π Online aptitude round consists of verbal ability questions , and there was time limit ,
β±οΈmake sure to pick other question if you don't know answer ,
π Topics Covered:
RestAssured API π₯
Good Level Java Programs π»
---------------------------------------------------------------------------------
π Round 2 : ( Technical )
π Write Java Program to find the maximum sum subarray.
π How System.out.println( ) works ?
π Write code to achieve multiple Inheritance using Interface ?
π Why String is immutable in Java ? StringBuffer use.
πHow would you design test cases for an application where the requirements are not clear?
π Suppose you have 10 test cases and they are failing randomly what will be your approach on fixing those scripts.
π What is Bug Life cycle , explain in detail.
π Suppose you are working with multiple tabs in selenium, how would you wait in selenium ,until the number of opened tabs should be equal to 4
π How to wait for the file download to finish in selenium ?
π What are dataProviders in testNg. ?
π What are challenges you faced while working with framework ?
π What are listeners in testNg ?
π Share screen and asked to write xpath using sibling concept.
π Is there any situation where you didn't agreed with developer and how did you handled them.
π Do you know factory design pattern ?
----------------------------------------------------------------------------------
π Round 3 : ( Technical round )
π How would you decide that I need to stop testing for a particular feature
π Suppose requirements are not clear to you what is your approach ?
π How would you handle calendars in Selenium ?
π Actions class vs Select class ?
π What would you do if requirements missing during testing ?
π How would you fetch the attribute value of an element in selenium.
π What is Multi Threading in Java
π What are global variables and environment variables in postman.
π I want to check API response is correct or not but when hitting API using GET ,it takes 1 minute for response to come , is there other HTTP Method ?
π Do you know use of TRACE API Method ? (write ans in comment )
π How would you ensure test cases you written are complete ?
π How you will test for security vulnerability in your application ?
π One question from Java stream related to finding duplicate element.
----------------------------------------------------------------------------------
π Round 4 : ( HR )
π How soon you can join ?
π Why did you leave your last job?
πAre you willing to relocate or travel for the job?
π Salary discussion etc.
π‘ Pro Tip: Be prepared, stay calm, and best of luck for your interview! πͺ #InterviewPreparation #TechJobs #CareerGrowth #Wipro #Nagarro #JobInterview #coderbaba
follow @coder_baba
π1
π#Coforge Interview Questions for hashtag#QA role | Exp : 7-8 years
π Round 1 : ( Technical )
π : Explain about your project , how long is your sprint ?
π : Have you created a framework from scratch ? What are challenges you have faced while working with framework ?
π : Difference between StringBuffer and StringBuilder
π : Program to remove duplicate elements from an arraylist.
π : Where have you used Inheritance in your framework ?
π : How would you handle authentication popup using selenium ?
π : How many testcases you have automated in a single sprint.
π : Difference between RequestSpecification , ResponseSpecification in REST Assured write code & explain it
π : Difference between 500 vs 503 API Status code
----------------------------------------------------------------
π Round 2 ( Technical )
π : Given a string , remove all the duplicate elements from a string
π : Write code to fetch the username, password from properties file
π : What is use of GroupBy in SQL.
π : Suppose you logged a bug , developer says it's not a bug how would you convince developer that it's a bug.
π : Suppose a JS alert is coming on a webpage ,it appears randomly when you click some random button (you cannot predict when it will come) ,then how would you make sure that alert is accepted automatically by selenium.
π : What is Stale Element exception.
π : Have you tested GRAPHQL API. Explain how you did it ?
π : How many string objects will be created : String s1 = new String("JAVA");
π : Difference between finally and finalize in Java
π : Use of protected access modifier ?
π : How would you achieve thread safety in your framework. When running tests in parallel.
hashtag#Round 3 : (Managerial)
πAgain he asked few technical questions on Selenium,API
hashtag#Round 4 : (HR Discussion)
πSalary discussion
π‘ Pro Tip: Be prepared, stay calm, and best of luck for your interview! πͺ #InterviewPreparation #TechJobs #CareerGrowth #Wipro #Nagarro #Coforge #JobInterview #coderbaba
follow @coder_baba
π Round 1 : ( Technical )
π : Explain about your project , how long is your sprint ?
π : Have you created a framework from scratch ? What are challenges you have faced while working with framework ?
π : Difference between StringBuffer and StringBuilder
π : Program to remove duplicate elements from an arraylist.
π : Where have you used Inheritance in your framework ?
π : How would you handle authentication popup using selenium ?
π : How many testcases you have automated in a single sprint.
π : Difference between RequestSpecification , ResponseSpecification in REST Assured write code & explain it
π : Difference between 500 vs 503 API Status code
----------------------------------------------------------------
π Round 2 ( Technical )
π : Given a string , remove all the duplicate elements from a string
π : Write code to fetch the username, password from properties file
π : What is use of GroupBy in SQL.
π : Suppose you logged a bug , developer says it's not a bug how would you convince developer that it's a bug.
π : Suppose a JS alert is coming on a webpage ,it appears randomly when you click some random button (you cannot predict when it will come) ,then how would you make sure that alert is accepted automatically by selenium.
π : What is Stale Element exception.
π : Have you tested GRAPHQL API. Explain how you did it ?
π : How many string objects will be created : String s1 = new String("JAVA");
π : Difference between finally and finalize in Java
π : Use of protected access modifier ?
π : How would you achieve thread safety in your framework. When running tests in parallel.
hashtag#Round 3 : (Managerial)
πAgain he asked few technical questions on Selenium,API
hashtag#Round 4 : (HR Discussion)
πSalary discussion
π‘ Pro Tip: Be prepared, stay calm, and best of luck for your interview! πͺ #InterviewPreparation #TechJobs #CareerGrowth #Wipro #Nagarro #Coforge #JobInterview #coderbaba
follow @coder_baba
π Valuelabs Interview Questions: SDET (4.5 to 6 years) ππ
π Duration Decided: 30 minutes
β° Actual Interview: 48 minutes
Here are the interview questions asked during the Valuelabs SDET interview. Hope this helps! π‘
Introduce yourself π§βπ»
Please explain your Automation Framework and all its components. π§
What is Page Object Model (POM)? π
How do you run test cases in parallel in Cucumber? π
Explain the contents of the Runner File in Cucumber. πββοΈ
What is a Singleton Design Pattern? π
What are the advantages and disadvantages of Page Object Model? π
What is Selenium Grid? π
Explain the WebDriver create statement line? π»
Explain the Maven Lifecycle? β³
How do you run the failed test cases? π
How do you generate Reports in Selenium? π
How do you customize reports after your test execution? βοΈ
What kind of waits are there in Selenium? β±οΈ
Write a Code Snippet for Explicit Wait in Selenium? π
Write a Code Snippet for Drag and Drop in Selenium? π€π₯
How do you switch to different Windows in Selenium? πͺ
Why do we use SET in Window Handles? π
Write Code for taking screenshot in Selenium? πΈ
Whatβs the difference between Scenario and Scenario Outline in Cucumber? π
How do you pass data to your Selenium Scripts? πΎ
How do you decide the priorities of your Test Cases? π
If you want to execute one test case repeatedly, how do you do that? π
What are the different annotations used in TestNG? π·
Write the hierarchy of annotations in TestNG. π
What is the defect life cycle? π
Whatβs the difference between Agile and Waterfall Model? π§π
Whatβs the difference between 201 and 204 Status Code? π
Whatβs the difference between 401 and 403 Status Code? β
What are the components of an API Request? π
Whatβs the difference between Query Parameters and Path Parameters? π
How do you resolve Conflicts in Git? βοΈ
Whatβs the difference between git pull and git patch? π
Explain the use of Jenkins in the Automation Framework. π
π‘ Tip for Success: Stay calm and prepare well for these topics to ace your interview! Best of luck to all the aspiring candidates! πͺβ¨
#Valuelabs #SDETInterview #Automation #Java #Cucumber #Selenium #TestNG #API #Jenkins #Git #InterviewPreparation #TechJobs #CareerGrowth #coderbaba
π Duration Decided: 30 minutes
β° Actual Interview: 48 minutes
Here are the interview questions asked during the Valuelabs SDET interview. Hope this helps! π‘
Introduce yourself π§βπ»
Please explain your Automation Framework and all its components. π§
What is Page Object Model (POM)? π
How do you run test cases in parallel in Cucumber? π
Explain the contents of the Runner File in Cucumber. πββοΈ
What is a Singleton Design Pattern? π
What are the advantages and disadvantages of Page Object Model? π
What is Selenium Grid? π
Explain the WebDriver create statement line? π»
Explain the Maven Lifecycle? β³
How do you run the failed test cases? π
How do you generate Reports in Selenium? π
How do you customize reports after your test execution? βοΈ
What kind of waits are there in Selenium? β±οΈ
Write a Code Snippet for Explicit Wait in Selenium? π
Write a Code Snippet for Drag and Drop in Selenium? π€π₯
How do you switch to different Windows in Selenium? πͺ
Why do we use SET in Window Handles? π
Write Code for taking screenshot in Selenium? πΈ
Whatβs the difference between Scenario and Scenario Outline in Cucumber? π
How do you pass data to your Selenium Scripts? πΎ
How do you decide the priorities of your Test Cases? π
If you want to execute one test case repeatedly, how do you do that? π
What are the different annotations used in TestNG? π·
Write the hierarchy of annotations in TestNG. π
What is the defect life cycle? π
Whatβs the difference between Agile and Waterfall Model? π§π
Whatβs the difference between 201 and 204 Status Code? π
Whatβs the difference between 401 and 403 Status Code? β
What are the components of an API Request? π
Whatβs the difference between Query Parameters and Path Parameters? π
How do you resolve Conflicts in Git? βοΈ
Whatβs the difference between git pull and git patch? π
Explain the use of Jenkins in the Automation Framework. π
π‘ Tip for Success: Stay calm and prepare well for these topics to ace your interview! Best of luck to all the aspiring candidates! πͺβ¨
#Valuelabs #SDETInterview #Automation #Java #Cucumber #Selenium #TestNG #API #Jenkins #Git #InterviewPreparation #TechJobs #CareerGrowth #coderbaba
π New Video Alert! π
Hey everyone! I just uploaded a brand new tutorial on YouTube to help you get started with Selenium Automation! π§βπ»π»
In this video, Iβll show you how to easily install and set up everything you need for Selenium, including:
Java βοΈ
Eclipse IDE π»
WebDriver π§βπ»
Whether you're a beginner or looking to refresh your knowledge, this step-by-step guide will have you automating tests in no time! π§β¨
π Check out the video now:
https://youtu.be/6Tzmy8uxQAM
Don't forget to like, subscribe, and hit the bell icon to stay updated with more tutorials from CoderBaba! ππ
#SeleniumSetup #AutomationTesting #CoderBaba #JavaForSelenium #EclipseIDE #WebDriver #TestAutomation #LearnWithCoderBaba #SeleniumTutorial #Automation #TechTutorials #BeginnersGuide
Letβs get automating! π
Hey everyone! I just uploaded a brand new tutorial on YouTube to help you get started with Selenium Automation! π§βπ»π»
In this video, Iβll show you how to easily install and set up everything you need for Selenium, including:
Java βοΈ
Eclipse IDE π»
WebDriver π§βπ»
Whether you're a beginner or looking to refresh your knowledge, this step-by-step guide will have you automating tests in no time! π§β¨
π Check out the video now:
https://youtu.be/6Tzmy8uxQAM
Don't forget to like, subscribe, and hit the bell icon to stay updated with more tutorials from CoderBaba! ππ
#SeleniumSetup #AutomationTesting #CoderBaba #JavaForSelenium #EclipseIDE #WebDriver #TestAutomation #LearnWithCoderBaba #SeleniumTutorial #Automation #TechTutorials #BeginnersGuide
Letβs get automating! π
YouTube
Selenium Automation: Step-by-Step Installation of Java, Eclipse & WebDriver | CoderBaba | PART 2
Master Selenium Automation: Step-by-Step Installation of Java, Eclipse & WebDriver | #coderbaba #selenium Setup Tutorial: Installing Eclipse, #java & #webdriver the Right Way.
In this video, learn how to easily set up Selenium for automation testing!β¦
In this video, learn how to easily set up Selenium for automation testing!β¦
JD - Full Stack Developer.pdf
249.9 KB
π Job Opening: Full Stack .NET Developer π
Hey everyone! π
Here is a job opening for a Full Stack .NET Developer. If anyone is interested in applying, feel free to reach out! π©
πΉ Position: Full Stack .NET Developer
πΉ Location: India
πΉ Type: Full-time
Key Responsibilities:
Develop and maintain web applications using .NET Core and ASP.NET
Work with both front-end and back-end technologies
Collaborate with a great team to build innovative solutions
Requirements:
Experience with C#, .NET Core, and ASP.NET
Proficiency in front-end technologies like HTML, CSS, JavaScript (Angular, React, or Vue.js)
Knowledge of databases (SQL/NoSQL)
Familiar with Git for version control
Why Apply?
Competitive salary πΌ
Flexible work hours β°
Collaborative team culture π€
Opportunities for career growth π
If youβre interested, you can apply by sending your resume
#JobOpening #DotNetDeveloper #FullStackDeveloper #Hiring #TechJobs #CareerOpportunity #coderbaba
follow @coder_baba
Hey everyone! π
Here is a job opening for a Full Stack .NET Developer. If anyone is interested in applying, feel free to reach out! π©
πΉ Position: Full Stack .NET Developer
πΉ Location: India
πΉ Type: Full-time
Key Responsibilities:
Develop and maintain web applications using .NET Core and ASP.NET
Work with both front-end and back-end technologies
Collaborate with a great team to build innovative solutions
Requirements:
Experience with C#, .NET Core, and ASP.NET
Proficiency in front-end technologies like HTML, CSS, JavaScript (Angular, React, or Vue.js)
Knowledge of databases (SQL/NoSQL)
Familiar with Git for version control
Why Apply?
Competitive salary πΌ
Flexible work hours β°
Collaborative team culture π€
Opportunities for career growth π
If youβre interested, you can apply by sending your resume
#JobOpening #DotNetDeveloper #FullStackDeveloper #Hiring #TechJobs #CareerOpportunity #coderbaba
follow @coder_baba
π2β€1
π New Video Alert β Part 9 of Our Full eCommerce Website Project Series is Live! π₯
π Manage Subcategories in ASP. NET C# with SQL Server
Learn how to Insert, Update, Delete, Search, and View subcategory records using the Repeater Control in ASP. NET Web Forms.
π‘ Whether you're building a real-world project or sharpening your ASP. NET skills, this step-by-step tutorial has everything you need!
π Watch Now π https://youtu.be/IF9KcJ9glQs
β Full Project | β Source Code | β Explained for Beginners
π¨βπ» Covered in this video:
π‘Creating the subcategory page layout
π‘Connecting to SQL Server
π‘Implementing CRUD operations in C#
π‘Repeater control data binding
π‘User-friendly UI for managing data
π’ Like, Share, and Tag a friend who's learning web development!
#ASPNet #CSharp #SQLServer #EcommerceWebsite #WebDevelopment #RepeaterControl #DotNet #CRUD #ProgrammerLife #FullStackDeveloper #CoderBaba
π Manage Subcategories in ASP. NET C# with SQL Server
Learn how to Insert, Update, Delete, Search, and View subcategory records using the Repeater Control in ASP. NET Web Forms.
π‘ Whether you're building a real-world project or sharpening your ASP. NET skills, this step-by-step tutorial has everything you need!
π Watch Now π https://youtu.be/IF9KcJ9glQs
β Full Project | β Source Code | β Explained for Beginners
π¨βπ» Covered in this video:
π‘Creating the subcategory page layout
π‘Connecting to SQL Server
π‘Implementing CRUD operations in C#
π‘Repeater control data binding
π‘User-friendly UI for managing data
π’ Like, Share, and Tag a friend who's learning web development!
#ASPNet #CSharp #SQLServer #EcommerceWebsite #WebDevelopment #RepeaterControl #DotNet #CRUD #ProgrammerLife #FullStackDeveloper #CoderBaba
YouTube
How to Develop Ecommerce Website in ASP.NET C# & SQL Server | Full Project With Source Code Part 9
ASP.NET eCommerce Tutorial Part 9: Subcategory Page with Insert, Update, Delete, View. How to Develop Ecommerce Website in ASP.NET C# & SQL Server | Full Project With Source Code Part 9.
Welcome to Part 9 of the "How to Develop an eCommerce Website in ASP.NETβ¦
Welcome to Part 9 of the "How to Develop an eCommerce Website in ASP.NETβ¦
π NEW VIDEO ALERT! π₯
Part 10 of our ASP.NET C# Ecommerce Website Tutorial is live! π
In this video, Iβll show you how to create the Add Product page with image upload functionality using ASP.NET, C#, and SQL Server. π§πΌ
π‘ What youβll learn:
β Designing the Add Product form
β Uploading and saving product images
β Storing product details in SQL Server
β Writing backend logic in C#
π Perfect for beginners and intermediate developers building real-world projects!
πΊ Watch Now: https://youtu.be/zMW7_vPZ1IM
π Download Source Code: https://t.me/coder_baba/2756
π Like, Share & Tag a friend whoβs learning .NET! Follow @coder_baba
#CoderBaba #ASPNet #CSharp #EcommerceWebsite #WebDevelopment #DotNetTutorial #AddProduct #ImageUpload #SQLServer #CodingWithCSharp #LearnToCode
Part 10 of our ASP.NET C# Ecommerce Website Tutorial is live! π
In this video, Iβll show you how to create the Add Product page with image upload functionality using ASP.NET, C#, and SQL Server. π§πΌ
π‘ What youβll learn:
β Designing the Add Product form
β Uploading and saving product images
β Storing product details in SQL Server
β Writing backend logic in C#
π Perfect for beginners and intermediate developers building real-world projects!
πΊ Watch Now: https://youtu.be/zMW7_vPZ1IM
π Download Source Code: https://t.me/coder_baba/2756
π Like, Share & Tag a friend whoβs learning .NET! Follow @coder_baba
#CoderBaba #ASPNet #CSharp #EcommerceWebsite #WebDevelopment #DotNetTutorial #AddProduct #ImageUpload #SQLServer #CodingWithCSharp #LearnToCode
YouTube
How to Develop Ecommerce Website in ASP.NET C# & SQL Server | Full Project With Source Code Part 10
Create Add Product Page with Image Upload | ASP.NET C# Ecommerce Project Tutorial. ASP.NET C# for Beginners: Master Web Development From Scratch.
Learn how to create the "Add Product" page with image upload functionality in this ASP.NET C# eCommerce Websiteβ¦
Learn how to create the "Add Product" page with image upload functionality in this ASP.NET C# eCommerce Websiteβ¦
π2
π₯ Complete Java Roadmap A-Z π§βπ»βοΈ
βΏ‘ Variables & Data Types
β³ int, double, char, boolean, String
β³ float, long, short, byte
βΏ’ Operators
β³ Arithmetic, Logical, Relational, Bitwise, Assignment, Unary, Ternary
βΏ£ Control Statements
β³ if, else, else if, switch, case, default
β³ break, continue, return
βΏ€ Loops
β³ for, while, do-while
β³ for-each loop (array/list iteration)
βΏ₯ Classes & Objects
β³ Class declaration
β³ Objects & object creation using new
β³ Constructors (default + parameterized)
βΏ¦ Methods
β³ Method declaration & overloading
β³ return types, parameters
β³ static vs instance methods
βΏ§ Access Modifiers
β³ public, private, protected, default (package-private)
βΏ¨ OOP Concepts
β³ Inheritance
β³ Polymorphism (compile/run time)
β³ Abstraction (abstract class + interface)
β³ Encapsulation (getters/setters)
βΏ© Arrays & Collections
β³ Single & Multi-dimensional arrays
β³ ArrayList, LinkedList, HashSet, HashMap
β³ Iterators & for-each loops
π Exception Handling
β³ try, catch, finally, throw, throws
β³ Checked vs Unchecked Exceptions
β³ Custom exceptions
βΏ‘βΏ‘ Strings & StringBuilder
β³ String immutability
β³ String methods
β³ Mutable alternatives: StringBuilder, StringBuffer
βΏ‘βΏ’ Java 8+ Features
β³ Lambda expressions
β³ Streams API
β³ Functional interfaces
β³ Optional
β³ Method references
βΏ‘βΏ£ File Handling (I/O)
β³ File, FileReader, FileWriter, BufferedReader, BufferedWriter
β³ Scanner
β³ Serialization & Deserialization
βΏ‘βΏ€ Multithreading
β³ Thread class & Runnable interface
β³ Thread lifecycle
β³ Synchronization
β³ Executors framework
βΏ‘βΏ₯ Inner Classes
β³ Static, non-static, anonymous
β³ Local inner classes
βΏ‘βΏ¦ Enums
β³ Enum declaration and usage
β³ Enum methods and switch cases
βΏ‘βΏ§ Generics
β³ Generic classes & methods
β³ Bounded types
β³ Wildcards
βΏ‘βΏ¨ JVM, JRE, JDK
β³ Java compilation/execution flow
β³ Memory structure: Heap, Stack
β³ Garbage collection basics
βΏ‘βΏ© Annotations
β³ Built-in: @Override, @Deprecated, @SuppressWarnings
β³ Custom annotations
βΏ’βΏ Reflections API
β³ Inspecting classes, methods, fields at runtime
βΏ’βΏ‘ Networking
β³ Sockets, ServerSocket, URL & HTTP connections
βΏ’βΏ’ Design Patterns
β³ Singleton, Factory, Strategy, Observer, Builder
βΏ’βΏ£ Maven/Gradle
β³ Build automation
β³ Dependency management
β³ pom.xml, build.gradle basics
βΏ’βΏ€ JUnit & Testing
β³ Unit testing with JUnit
β³ Assertions
β³ Test cases & suites
βΏ’βΏ₯ Spring Framework (Bonus)
β³ Spring Boot basics
β³ Dependency Injection, REST APIs
β³ Annotations & configurations
React β₯οΈ for more
#HappyCoding #coderbaba
follow @coder_baba
βΏ‘ Variables & Data Types
β³ int, double, char, boolean, String
β³ float, long, short, byte
βΏ’ Operators
β³ Arithmetic, Logical, Relational, Bitwise, Assignment, Unary, Ternary
βΏ£ Control Statements
β³ if, else, else if, switch, case, default
β³ break, continue, return
βΏ€ Loops
β³ for, while, do-while
β³ for-each loop (array/list iteration)
βΏ₯ Classes & Objects
β³ Class declaration
β³ Objects & object creation using new
β³ Constructors (default + parameterized)
βΏ¦ Methods
β³ Method declaration & overloading
β³ return types, parameters
β³ static vs instance methods
βΏ§ Access Modifiers
β³ public, private, protected, default (package-private)
βΏ¨ OOP Concepts
β³ Inheritance
β³ Polymorphism (compile/run time)
β³ Abstraction (abstract class + interface)
β³ Encapsulation (getters/setters)
βΏ© Arrays & Collections
β³ Single & Multi-dimensional arrays
β³ ArrayList, LinkedList, HashSet, HashMap
β³ Iterators & for-each loops
π Exception Handling
β³ try, catch, finally, throw, throws
β³ Checked vs Unchecked Exceptions
β³ Custom exceptions
βΏ‘βΏ‘ Strings & StringBuilder
β³ String immutability
β³ String methods
β³ Mutable alternatives: StringBuilder, StringBuffer
βΏ‘βΏ’ Java 8+ Features
β³ Lambda expressions
β³ Streams API
β³ Functional interfaces
β³ Optional
β³ Method references
βΏ‘βΏ£ File Handling (I/O)
β³ File, FileReader, FileWriter, BufferedReader, BufferedWriter
β³ Scanner
β³ Serialization & Deserialization
βΏ‘βΏ€ Multithreading
β³ Thread class & Runnable interface
β³ Thread lifecycle
β³ Synchronization
β³ Executors framework
βΏ‘βΏ₯ Inner Classes
β³ Static, non-static, anonymous
β³ Local inner classes
βΏ‘βΏ¦ Enums
β³ Enum declaration and usage
β³ Enum methods and switch cases
βΏ‘βΏ§ Generics
β³ Generic classes & methods
β³ Bounded types
β³ Wildcards
βΏ‘βΏ¨ JVM, JRE, JDK
β³ Java compilation/execution flow
β³ Memory structure: Heap, Stack
β³ Garbage collection basics
βΏ‘βΏ© Annotations
β³ Built-in: @Override, @Deprecated, @SuppressWarnings
β³ Custom annotations
βΏ’βΏ Reflections API
β³ Inspecting classes, methods, fields at runtime
βΏ’βΏ‘ Networking
β³ Sockets, ServerSocket, URL & HTTP connections
βΏ’βΏ’ Design Patterns
β³ Singleton, Factory, Strategy, Observer, Builder
βΏ’βΏ£ Maven/Gradle
β³ Build automation
β³ Dependency management
β³ pom.xml, build.gradle basics
βΏ’βΏ€ JUnit & Testing
β³ Unit testing with JUnit
β³ Assertions
β³ Test cases & suites
βΏ’βΏ₯ Spring Framework (Bonus)
β³ Spring Boot basics
β³ Dependency Injection, REST APIs
β³ Annotations & configurations
React β₯οΈ for more
#HappyCoding #coderbaba
follow @coder_baba
β€7